LAPORAN PRAKTIKT]M KIMIA I}ASAR YAI{ORGAMK

PERCOBAAIT C-2

KONTROL KEASAMAN LARUTAN PEFIYANGGA (BUTFER)

NamaAlIM

Nama PartnerA[IM

Prodi

Hari, tanggal

Asisten

Kelompok

DISUSUN OLEH:: Jason Mandela Q0l4l36ffi7 6[PN16I.32)

: Vinanda II S QOl4l365676lPN16I33)

: Kimia

: Jumat, 21 November 2014

: Ika Septiana

.n

LABORATORITJM KIMIA DASAR

FAKULTAS MATEMATIKA I}AN ILMU PENGETAIIUAII ALAM

UNTVERSITAS GADJAII MAI}A

YOGYAKARTA

2014

Jason M

andela'

s Lab

Report

|{ootro I V"oso*on Lotuton l-boqon3qa

-\-r- r\ BujJet)

L) lu3uc,n l'ercobuo n

r) Memohomi me.^n{a"rt rn.ngontrol pH' terutqrora dato- 5is*ern

{isro\og i

u) Me*pe\a \ur i tekni\'t nnemperdahon[/la n ni lc'i pH ]oruto/) da-

lo* kiboq"i oP\il',,asi

, Mu*r*ho* 't ,''tL- bt,Lffu" don Junqsi aisle,n tet5g[ul1

lL). Doto,. Teor i

XI) Teo.i Asar-Boso Arhenius

Aro.n adc.t\crh 5ucrtu zut qunq al,ton te n ionisosi dolo-

*i. [.rU.rh o{o, snboqion) don mulghl';ll"n ion H* Io" H*

bcososiosi den3on ptLt't doo 'nunghq'i\[^qn

H:0"

HA -t Fl^O F HrO* + A-

ftdono\,ton bosa oda\,^h zq1- qc'nq crL-cn terionisasi c)a'

\o* u.i. [Su\r.uuh atau s"b*g,on1 dan *tlq\iosi \ttrn r0n Ol-l-

$+ HrO € BH** cH-Teoci in i terbc,tos \,no re^ q. p ulo.ut Urng olig,rnalao^ hrngo-

\oh 0ir (c h.i slian ' :.oo'r) '

a r) Bujje.Lo.uton penyootga a{ota \.,.*trn buf}u. aUalcuh

lcrruton qonq tetbr''ot dori Qsqmlbo" Iern"h don gdr4rnoqa'

Lorrton",nl me.,punrtrai lna,o* puon untuh . rnervrpettaht*nl'r'n

niiai p H-ngo Lo.*tt. buJlc6 [i'u olibuot denS'" :u::*.n"

.,,^rhon or.^.i /buru len,oh "don

qdramnqq Lorutrn buiJe.

[,r*p,. n 1oi Iopcrsttas buffe ,- 3uu'*l .[:*'nnpuan .lo"tonbr11.. Jr\, -' rnecn pn.i'honho ^ PH

(Cho n3 ' 10 ro )

Untr\,n Iig bel,,n.ia' Suatu bu'[fer hqcus mqrnpu unt,al,t

menelcr.n\[r^11 0tsqrv'r lbor'o lrrrat qgnq d'tac,Tbhi,ron. flol ,ni qc,tq'

\oh gonl d,\u\,, Ion c\eL qscrn^ /br:" ]on1rn3os i do^ I/c''ni'r ponen

osorv-r / brrrnqo. Hnduqnqu o [,,on sr\inq- be"rp'1"; dcngu'^' Zqi

\rnt olrlqrr'tohLran l,; da\q* brly:. snhi1,1, pll pun

tot^ bcrubrh s€csrct sr3n,{i i^*n '[btoclq, 2-o I z)

Jason M

andela'

s Lab

Report

T 3) Ap\i\,r*r L*,ton BufJur Dolo* Huhrdvpon o.hc'ri-hanr

Lo.u5n bulyt sotgot pen{'1 dalann sts&nn brolo3i

don !t, cn, i o . $onqo!, si stenn tersnbr-t scrn3at snn slrJ den 3o

n pH.

Contoh ngo odo"\oh do.of,. Bilo pH )o\o, fls'ah adq

di JenJont 7,55 5ctMFi 1'1 rntho Monusta b''o hictup 'te-

t pi" i,\rJ PH dmah cli \'or ienionl te'sebut ' nanusia a-

\o;" Iong, u^{ m o}i, Sirtenn brf3n. rrrenrpertahoni,on p H dar"h

[uitu -l-\,CCu

dan HcOr- [b.od3, ]0rr)

\,,,, ^,

**',*' i J I l i::. u, |;l*' ; :il, ^iffi;

u

.,1,*' T,,1 ".'HPOu'- dun Hr PCq- pHt nu'ic1r,

t+onrron brsq diper-fahonl,,,o.

\,(.oro*on [p H ) u\anq bor\rr unt,,,[n 0utr,'r, ton<r." rn adaloh

seilito.. 5,& - d, st Ap\,'\,tar, ini bir,rsonSca .J;\c,lou\,,on dolar"l

{c,nu*^ }ipu hiotropn{\t (5*po.o*odu, }oro)

UJ Mebae E..oboq n

$ rl A\ot dsn Bohon

o) AlatA\ul Uqnq d,quna\,on do\qrn pPrt'obaon rAr oda [q h ts bur,h

tobunqu.Jhr,lseb,,,t', prpel goncloir s*L,tAurh ptoprpet , z buoh

lc,bu dr^o. Sornl , sobuqh p,pui fntut, sebu qh ylos p[e1 50 m L , se-

buoh r*1, tobung reofrsi, rebuoh hh1 pengudurh , drn p,tu ,ndtl,roto,

p l{ r.tnt vorsa I "

b) Boh*n

l5ohrn \anq dtqunol,ron dalc{rn peocohoo in; adqlah 1-]Cl lA4,'

NuoF\ ir,,i\i ttct o,t M;NorC,H o,t M, lhPOq o,gp; r'tc,zHPo.

o,s M i ClltCooH \M i CHs@Na lM; Nt-\q0H I Mr; NFlqCt

\M , don c,r.l,ruud.s.

][ r ). Pncs"d,rr 11e.3c,,.

o) Pg*bq*tun Luutan t-\Cl orc.ool flfrba*lol,r 5 .n L He t o, I M drmosul,tl,ton 1,io drrlqr, Iqhrr

tot^o."'Joo*L " i"t* al^tradas chtarnbahhon sCImpai qqrs batrs

Lolu r r^L larut*n HCt nonX baru dibrrqt d,qdBil ol"an

dimosu[,,]^4.', lae da.la, \rbu- hkqr 5o rvrL l,tt*boli - Lalta

otfiuodr. ditq"nbrh l^Rn sao^pq ) qort s bafo s " La \u ioroton br-sebni CHC\ o,mot M) clibug, l,,eu dqla,n {rqa buqh ta}:ung reahsi -

Jason M

andela'

s Lab

Report

Lo\u se bcrnga\,t

*ctS\nl - rno S\nr rX

op6ol\ n ri nUCn

5sfetes H,C\ \M ,

lrn dot** {y6t tubunl

NqCF\ I A4 drfe&s ho"reahsi Lo\" l,t"trqo,n go di-

b) P"rbuoton \-orrton Nc,cH c,clect M

Snbrn r'u 5 nnL NoOH O,\ M o\rrnasui',t,ls6 he daiq* Ic"bt', to-

iror So..^L il La\u "lrta*hhlaon

a\nr.,odes sannpaf qrrrs ba+" s Lo[u

\o.utonte'snbutdi'tosutnlton\nc*bo\lt,neflqlavriqb'^{'al'rqr5orvrLsebonrol, s rvrL Lalu drlot'looh [oo Le'loo\' al'ruoc{es sarvr p<i tori5.iff;:11"\-,,'''\'0,' utan No qt-l o' u'o i

'ut te.rubut drb'g I '"

\r, '+

g" fob;'; 'l'o\,5' Tr,b"1 I i'l'''['to

tr ' tabuol IT dr'

{o*\oo\^ \*o n *;lu s l-\ c\ I M , dan tob uo-1 xI f

rta*ly.h t'^n

setebes tr\a0 H \ M" Lcrl( p H ['ro{gan.1 a Pun oiqrnct'tt '

") Pe* buotr n Loru-[o n BufJen H' Pc. - do^ ]iPo"-

Sebongo\,r {o nnL \crrutc'n NqH"PCq ,O',t ry d1o'npu'l'.t'n

denoon lo r,,r L \orutun Nc{.r HPOq O, s M Laiu d;adntt hrngXq lo-

;:; Lo., ton ! i b'g ' la e d' la "'r z ta bun3. '=*

ll1 f ot"" t"

b;, l_ drfclas[un "satetes

HCt I M drn trbun3 TI' dtteteslt"n

.#+n. NaCH I M Lc,ta i,toduangu dlles pHnqa

d). Pe*buoton Loru{rn Buffe. CHsCDoH I M cJ,n"Cl-lsCgoNq lU5etnn,,rl,r tOnnL lc,rutop C1-lrCgOH \M dica-pu.l,1an det4on l0rnL

\o*+r.- Cur(coor1* \ M Lo \,,t di'd..,rI f 'nt.o l^rrnry* Lala lc'tuton d;-

*rr i,re dalqnn dua tobunq reoLsi Tobunq I dltan Lthtaqn Sele-

int HCI lM don {olrrXq I ditannbor}r.an setetus Noot-\ lA't

Lo\u Isduon.{u dttes pHngir

e) -ru-brotonu

Lq.uLn 'BuJiu. NH4eI-l IH daa NH+CI 1q (r' t)

Sebnual,r lo m L \orut,n NH'rOH 144 dicannpul\'ton denqan toa'

loruton Nni,Cr I M Lalrr d,qd,,[i hinqqq lurnqan ual,r \oruton' diba-

q he dolqrn du a tobuog reeL,,, , ,o]di.,l 1

_^ol+1;,i Klii,_, t?;g' he Uatg1,1 du O TaUutt3 lsL{ l,tsl t u uv(tq )-

tut", HCI I M do n tobuiS I. d'to"'6ahl'tJon setetes Na O l-\ l14

Lc,)u [eduongo di tPs PHng.^j) Pu*br"ton Loiut'n Buff'" Ni+uou rq dor $\f-lq C[ tM [t ''i)

Sebon,r, i, s m L laruton NH"'' CH I M di'o 'p'tl'ron d enqan

lorrton" (u,J-CI lM *bonqrl,t lcsn,,L L,l' dtadrth !';nc11a !'Tg:"

Lalq laruton dto,ra, lrn dilo, i(rc'+abuol rea[''si fabu^q a dl-

+r-U,l;5st4?r ffit lM don labunq I " dt\aulqlnlno se'belos

NaOH lA,1 Lal, l,,edrttu)ttra dites" pHngo.

Jason M

andela'

s Lab

Report

-\

r r

JVf. Hosi l don

I l) Ho,ilPembohoron

Pe.lohuonPerub,hqn

Loct. NonBu4fei pH

LartBu{.}er pll

HCI o,r M diL,nnbhllon l,re luruton osavl

NcoH o'tM drh*bhl,lon lae loubn osao

HCI o,lM drb.v,hhh* \,te lon,{rn b,sa

N*OH o,tM drh'v'bhlaon he laru-["n h'a

HCI o, lM ditonnbahlton he lotu*'n net'o[

Noou o,tM di+dMbqhlmo ire lorubn netrol

6

6

II7

7

LI

3

O

I

I

55

q

?6

6

ooI

I

o

\nIV ,2j,Pe"r,bohoson

Podo pur*brn *onq r.e\rba{tirn 1o.utun non h,11.t olilo -

[*[on Penqenco*n Tujuon danr [Pn3eCIae,,-an

in; crdolah unf{l'(

tnervrpermudah, dr\rr* r.,ejartnlti perulralnon PH grt Leladi

bilo dita*boh sedih,t ctsarn ataq basa Uong cui,rup 7rekaI

$ ila tCIl,t di\nl,tulaon peryen @rd ^,-Fru

bo h o ^ p H al,tax cul,tup

I,ru",l soh,nqqo sultl diamq{1. So*ohin e.ntcct mo[r, perot-

bohrn pH *tr^ samq[rin :i1n i];[rc,n dolr. hal in i. '

Puno*bohrn osorn dqn barq 'bertuluon ur,tul, o€rn-

ryr\ hati,run perubahan p\-1 qunq teriadi" Setnlo h ri.rcoorn

bohL,on asqrn , bo*, otl, oY,uoJn.; ml[oo harvs d,lrihrlron

Wnry duf,,.,n Ha\ rn i brtrrivon untula membuaf larufo., Iur-

s€b; hornoqen ion lx.utoii^u n p H $u T d rolap-[ pr^ brsq

5e aiaur-at ilrngln in .

Pqdo pi..oho n rynentuon PH dntq* ioruton n0n

buf&. di lutt u l,tmn p.**hho n osctM do n Pe

n'r rn,ba hu n

b";; padcx otauacles Dalonn \'r'u, ini ,lonq ter';u{' ada'

\ah peoqenoeftT^. l,{eoro*qn otl'ruodps ot Jn bt.t"-t'Lr [ptl

tr.u.l) .l,ot di'Lorrbah denqan Qsam Hal ini ter'1udi se-

Stlo r taor i poda hasf l pu..dorrn \6a\uuprn scsuci , letc/Pi

n,16 pHnua {idal,t t!*oi denqan teonitr's. Hcrl inr bisq

dise hnUo, J,tarrn, ,terusuttqn (),rilr^ '\qt,.,(ton osqrr' . I'{e.u,soh

e/n driebqbladn oteh fat tor linXl,,uoqan ,x yrti : or'n sli udo-

Jason M

andela'

s Lab

Report

fa uanq rnOnq l,rontornrnas,' lolutoo 0sctm te nsebrf - La'

' ( n btohrn bat a ni )ur p l-] a\"uod's alaanlu podo Pen00^ r r^ ,l' ^^^-.h^.^^ \r).,1^,.^,,^

,l.,ni'-,1cli ,^, sesuqi dengan hasi,i ' Percolwon

\"Jalaupun

be,r,tu, p l-\ ho.i\ pefco brJn tida[ 5&{na fng"" f ', O

,.H; tH"i ;, dlsubobrro,-., o le h l,re rrtr lzon ,pud,,

Iarut

ar, bso Uant J'"t"1'l'tan o\eh {al'r lot )'ng ln'ng"n '

Pn**behon Qsqrvl poda lorut'on. osCIrn al'on ^e'nqebqhl^an penu;r;; n,lo, pp l+ol to'' drperlih't[''un oleh

il. L Dpr.6'boon -dan

hast I -Leonitls walau,p,un ,nrlar p Fl

;; Hi;r;t bei bedq Hal inr Pu ^ disebqbl"tan ttarena'

i,r.,jr-,rrn \oruton qsqo. oh ib"{ +e.lzontqrninas i c(in di

udcrno Lolu p;;;;bahan bos' P'f1 ,lar^L n osam a'

\,,0n ine.r,b*t ftf \oruton nai["'Hal in' borbetu 1:t"'l^nsli percoboan t3on(

, *u,n':lu['t['ro n P'[',til'i",|]] :i ̂

Iri^i",."' Uo[* puno']b'h#^ lorut'n Iv* ferhradop

io*tr^ 0sqo^ , tecjcrdi real'tsi '

HC\ + NuCH NaCl t HrC

Lr\u Doda [0Futon bosq pun d'lal'tula'" {)emm'

b,hon osool' dan basa Pena n rbqhq 6 bato ter I uc)op

\oru{on bqs"( qLon meulwqt lotu fo o *wqhin brrsa

hn.rno ban ttrdq dttq,rrb,h[z'n lebih pel'tof dari lc'r.i,. t-

;; ";;- -

tu,*dutu ll't t0t pl'n he,.la ku' poda larutan a-

CI-" Puclo haril percoboan lrh dtdop:all:..o" perul'^hsn

pH Hol rnr bisq'dtsebqbl,,an oloh {,t,.t,r )'n1 I,run3"'

Lr\, opnocnhhqn asorn terhodrp }on,lto o W'i" altan

*u*UJot pH lorutq^, turcrn Ho,l ini scsiro, g:trn 1a1l

d{ "oljql,thon

W,\uuptrn ugll-; :llll.pn qonq clido

oat tak *rrol ienqon' ntlt" P't Po','t''' H'iin) puo

h,snhoblron olah 'iatr+ir l;oq I'ru'f '1 F{pa l'tsr 3on1 rcric/dr

Sar'rl se pe-l realnsi di atot, quitk :

'HC\ + NrrOH -' [\a C) + H"ODala, percobqqn ini sernuq lorutrn dtporlalrulron sornq G-

gp:, hasrl , perubahrn pH Wl dld.rpt biv,, semra i/alid

H t ho.'U lnqlnJrn.

Jason M

andela'

s Lab

Report

Dolonn percobrrn lorufon n0n butfo t sotnua recphsi e-\*\,^* pend*loql*rn c{sqn4 abu b,i=q adala[r rea1lsi ioniscsi

qsam cbr,r bnsa \c'rr,ton Calam at r' i-eafis1 ferJe''ri't ialah

ItCl =

l-.1*+cl"No,CH J? Na* + OHH" drn OH- terseb.,t lah,

oH,Ir

, Lo\u podo

Ioruton seJenls

I e'sebut Re, [,,r,

Ton

t)prcoboon penoruiu\ron zat sien is ler[nocla'1

tu , q urt i reo lrs i peno ,u)oa h an iurvrlah mol zu)

\p,.,"b" t iala{n

uarta al,rqo (neM paryaruhi ntlai,:1" '-,J (- u

Nac I

CHgOONoT + HrCNHqC\

NHq0H + Nc{C\

l-1 Ct + H*+cl- 2i-l++2c\-(Lo.utrn l-tcl ol,tor'&h aser'a HCI)

NaOH+ Nr++ot-l 2Nc,++zOt-l-(Lorulrn trrlc,^OH dtto,.'rloqh [r(t, NaOii )

Lo\, pada percobc-ron petuba hoo p H PoC" lq'uton n,un

bu{f e. ter'1ud i pencam puncn osq m / be su denqon ,ny ltrntq

[,rcrnSunrlasinga. Se.,nua lqrulcrn buffer tnasin - 'it':? ditq'nb"h'

l,rrn" .u+n+J, HCI lM dan setetes NoCpl lhlo'u bi'fJer

asarn , \anutrn Hc t olr,on bereql,tsi deor4an bysa l"n'1 unqas\ -

ngc(- 5eclr.oqiaot n da\qm buf fer baso, Ia.rtrn hCl otnr" bereql.tst

./iryn boJr"g^. Hrl in,, drtun; ii kkrn ol ph rectk si Ar\ terSadt,

Llui{,u," ') Bulf r cts..rn No r H POq dan Nc{ t-!po q

Nq,- HPCq + H c t -> N' H" Poq +

") Bu{Jn. ctsarv'\ CHuCoon\a clon CllcCOol-1

CHsCccNa + !*\C\ --+ Ct-lgcOOH + I\acl

') Bufler basa NHq oll dan NH'* C\

N\lqOH +l-lcl NHqCI + HzOi,lr\o^ buf fer qsom , lorutun NaCH ohun bercqh, i deoclan qsa$o*u.

kdurqlzrao dula r'^ buJJe,. ,hr:" iurutan N oiCl-1 olion Lpcpql.{s, dd

nqn^ i.o- I,toniu^qasinqc{. Hcll 'o, bi.a c{'trnjul,tqn olph rpq[,ls; ,t ") BuJJe. ,;J url HPo. oton Na H.Poq

") Bu{{e'- asdrn CHg@oNq dan CHtCooH

6i{j cooH,) Bu{{e, bura

'" Nl4qct

+ Nq0[ -iNHqo H drn+ NoOH

Jason M

andela'

s Lab

Report

)oci reo[s i Ltonq teri, d, , b,,q d'irln'* hqoiuota q'rt't

\r,r{r" buf ter rneo^,pc,cJ{ur,Jan;rl nrlai p linq, Pe nai' bahon dsclM a-

to, bo.o "foclo

\o,.ulan bu{Jer c{Uon ,Jng hasiIi'ro.'' , o,toY /boto

a*ou GSqM /bas,^ [9nirnqa, nrr. l\eduo p'od'['t terrtb' * ahao rne a

br,,a-t pH telo p tlodi I t i'ru"eun, '6r\r^il

rr00qe i *tbanXlaa,n satc'

Sorna Ioin. Zut Nr.^L\ Con FtrLr qo^q d'has,-t[,lrn {tdah alnan

rneulpsnflaruh, ptl bu{}e. lno*no tfatvigo UrnS

netnot'

Hrr,\ uunq d,d,pot dor' percoloaa0 sesuai denq'n teor;'

[ci,t u penon4ilrn*^ o iu* /bosu' \/u d''\o' lar u,t,ur, bufJer rl"-

Ar;a o\.,ran sorqot sedrh,t metubqh' ntl511 Pf tetfl'"fi?S

i);, "*o=,no-,*r.,

.n kapus;los loaJfer-ngo Pt'\'ed,ain,PFl :

L*t.r ha.,1t percobrr'n denqan p l1 -te0r,'1,t P0n cul.tuyt

,vte.llsuh,nglo hrl tersebut b iso d'ia hu

' l'tu n, u:t"*I_

f 1 ;:]"lil- ^,bgllll)qqu lrur t\ ro\ vu L v rvv l- ,

JJ

?enan^balna^ asq* / looso I,,e dq\c,.n lcnrt"n buJJer a [ar.' leladi

\no*n, otrll, perulo,h, n lon':'t,f1n L 1:': I t"T,

. :+::,^l::{:Cnr" Purrirnl" {..tub, t sor qat We"il es\tn1Qu bts' dtancXy2

j+rf ,t nriar pHnq, Pa.boior.., T0sro a,affifbr'ro ,don Xara^'.*"-

"t^rn *ur.rb,h' pH ouol buiJer dqn L'opos;Ls bu{Je'ng"

Hll ,n, di urho s c{a\an^ 1ar^urMn lapot'n setnen tato pada larlpir-

00.

r) adalr h un fu h M?A gqot Veslri',lrn ni -

,i rt,r, {,sioloqt gr."3''"utrrg, sonsil;-J

deoSrn rnervtanfoat[.t*, lorrt-

DH U0.v4 sesuai -

*rn1r[^u l,ro.k, b,[o"' P H rLan

ctsc,l"tlt / bo tra dayo,t Ja ranr\$a

\1) Do{to, P,,{o[oI

Notrre o{ A4c,tte., lsh.,

ThB McGr.aw - Hl)l Compasfe":

,]ohn Vl ;leg uni,t fons Ltol'

Sq*"rmodu . l. 5 r f,o ro, A l.ou, f,i1s1 N'.r{rient For mula'[ion w, Lh a Bir f ]er' &,. Si*p\i,{icd Hgolro pon,cs Sgstem r, Jounnal of Ho,- }' cu\lure qnd

"E.osf .,r, "tiol z l S

f) l{n'i rnpulrtn

l\on{{rt menqon*rol p H

lo' pH |er,rtario d"o\a npda peru than p H

4 Te\^n r \,n *r, pur*ahrnl,on pH oda['h

dn louf{e. 'denqo"

\'tapsttos don

3) Siste,n bu{*er brfunq.' ,6tu{,t

5i stenn bu.ffer oot'\ah cdrnPu{'a^

8."d3,J, ,utz, Chomt:lrg The Molehulor'

\li\o$ qnd\ Sons Ltd., t"o.,Choq, R , rolo , Che.nistrg loth Edllion '{

- Nl-rnc.) r\ruou Vo"i,t

Chrrsiron, 6o"q , :.ooir ' Ana\3{ital Chemistr.g

3n.,**lE

Jason M

andela'

s Lab

Report

")

P".hitun3oo

P"nnntuon pH dolo* \orutoo nDn buffer

') Lorr{on l, o.\,tuades

') PH a*ot = 7r). pH setetqh peno.nbohoo Qsarn

MrVl = MrVz * I

SmL,A = lA.o,osmL

& = o,ot M = tt-l-]

pH = -log LH'l---L

*). pH ,nlnloh peno *bohrn baro

fl'V' ' A'lr\i rSmL.M. lM.o,osrnL

M : oror M. [OH-J

pOlr . - log tot-t- J

').Lon,rtoo z, HCt o,o0or M

') pH awai = Ll

d.pH seteiqh ptna*Lhon asqm

[l-)*i*o*"t = [H*] r V, * [H*Jr. Vz

Vi +Vz

pH " -1og LH*J

tetns =o,osmL

=to,ooor . s)+[ I. o'oE)

5+ O,O5

' O'O I

n HCI srsq = On NqOH stsq , Oro 5 mmo\ - o, 005 ryrmo I

: Or 04qS rnrnO I

MnaOH alrhir ' o,oqqs firho I

5 rn L r Or09rvr L

, !,8 lo-3 = [ot-t'J

=zpH . 12

-\og lo-a = 2:) pH ss{"\a"in pet)a(nbahan bota

HCI + NqC H _) No Cl + HrO

Vuct = 5mL

VS,OH : g,g5 rnL

Mr+cr.o,wolMl4uoou . iMn H C\ : O, Ooo5 mrno I

n NqoH : o,os rnmol

, p0l-l ' g-'log q,B

pll . lt +lq g,s= ll,9?

'). Lo.ul"n s' NaCH o,ooo t M

').pH aura\ . 14 - a{ = lO

Jason M

andela'

s Lab

Report

,) PH eete\ah Penarnbahan ctsarn

[4noot-t ,o,ooot M

Vrtoou : e mL/Vu.t = \MVrrt . o, os rn L

NcrOH + HCt J) NoCl + HeOftl1 O:@O11.,!. smL lM o,oSnl

o,ooo5 mmo\ o,os nvnoI

C: -C,0OOErnn'ol -O,00osrnnol +o,mSmqoi +O,@5'ra,rrol *5 . o or o4 Q5 mrnol o,Nosn,l.ol o'o@5 umol

MHrr ,tihrr = o^olg1i:il;i , g,B lo-3 M , LH*JBmL +Or0S rnL

pH=s-\og?,0 =2,o1

i) pH setnlah Peno*boh'n I'osa

MnrroFl,= o,ooo I Muoou trbohon ' I M\UooU : !mL VNooH tonabohor, :orosrnL

[O1-l-] = to,ooorM- s*u) +CtAo'c,,snnLl5mL + oro5rnL

= O,QllMPoH '['953

P H '- 12,o37

b) p H da\arn^, \aruton bu-!{e r'). Lo.u{on 4 . HzPoq - dan \-lPoq t -

V" |iPOq'- = 6,2 . lo-B

[ ]\.Po,, -l ' o'5 M

I H Po*t-1 = o,5 M

pH=pHa*lo$ffi. s_ log 6,a t tog H = 7,L\

"). Lo.u{c,n 5, HC"H.Or. dq^ CrHsOr-

}{aChlrCC0!-l = \ t0-stctt.cco\-ll = lM[Cttrao-] = I MpF\ = pllo + log ffiffi

: s + loq + = 5.) Lo.rt n 6 , NHqoPi don NHq C I Ct ,i)

Hb ttHrOH . 1. \o-s mol NHqol-t = lo.,,rmoi

[NHqorlJ = lM mol NHqcl .l0rnrno\

[Nl-hcl] = \MI = lornL

Jason M

andela'

s Lab

Report

pcr-l -pHb+ 1.gffi. I /zb('^L, b -r- iOq ToE-J *'/za^L

PH

:5=?

')Lon,ton 7 , NHqCH don NFi4 Cl [t . t)l,ib Nl-lqOH = lO'5 r-rNHqoH = ernrnol

[NH.,OHJ=tM nNt]acl =2ornrnol

[NHqc\] ' \M \lto{c"rl -x*L

poH = pKb * r.g ffi:5+\q3ffi*=s,6PH

, \Ll - s,6 :$. q

Jason M

andela'

s Lab

Report

]ooohn PertonXaon Lopo*n Ser''entorct

,ikao hosi\ pu.Jboon' Perubqhan ,PJl $on,1, P1\,'ng. ,O,u*' ,fedacliscra{ Denar\,^ brhan *sen^ k, do l"* NrOFI Hul ini diseb,b [,rrn

h;:r"r'tu.1odl reoIsi on{unq fredqa ,at {pcsebul i-olL( v@rc{

stoil,rrs11ptci5 mo\ hesa tatr hrsrta sehingSa [mngo ::^l "i,: ,v'ifl

{ersisa. Hc,l tni dtLaccnatarn ;,on'.4trosi qs-c{^ u'n? tt,n-gaq,'-lJ'uh di

utr,. br*ng*i oi;h, [no"no il*3,. nno[ "o*" 3'X1

teHrso ' nilqi

P Fl Pun

rnenurun flos sti s

z) Peruboh an p H poda \ar u"Loo non buflen cul'lup tingq r sedonq -

\/lc,n Dqdc,o

' \uruton buf ler *icls tr ioe rubo h atau lnrnto beru-

brh '.udiln il . Lc,-utrn bu{Jer rnerniltlai laopost"["s fular^ (necn-

pertuhan[,on nilc{1 pH nga.

3).Secoro, p.ol,rti. dan {eonilir, psrbrndn3r^ P don€1raTt' Uont

brr.[do alta o mecnPPn.laruh i , uriic;

E ]1 lal

;i I dispb'b-

Lr., ko,en, iur'\'n rnol' $'! berbeda ''5e*a\'nt6 ba'3''h X"'

Farrr .trnqr di."-p"tft'n 'Jolnuo PH lc'r'tat' Pun'ho''

sermc't'

lnin .'Jnr.urn. Hal'ini berlah^ stboli[an'1* da\a- \arwtan

buttu. b";; Se\c'tir itu \"po''tosnga pUn bi" beruh'h lergtn

;;Jl":r"r.* g. r, darann buJJer J,ro., l,tonsentcasi hrsa r,tonlurua-

:llil IHI^ffi,;' ;,;; "'\o*r,i

re..,eh,r )\,^^ iukh *uhan,e,t^i,

b;\^ d,i;*;ir';;" U'i ,.,i k'\'uln' seb'ti|,ng* d'r'el"l"*

buf{e' b'* '

Jason M

andela'

s Lab

Report